burn off

/B ER1 N AO1 F/
verb
  1. 1

    To dissipate as the result of heat.

  2. 2

    To cause to dissipate by applying heat.

  3. 3

    (oil) To dispose of (unusable explosive natural gas from an oil well) by burning it as it emerges from the well.

  4. 4

    To fill (low-value air time) with programming not suitable for its original purpose.

Synonyms

Source: https://en.wiktionary.org/wiki/burn%20off